Home / 43,231.25-64,846.41-11,210.15

Finding the Fourth Proportional to 43,231.25, 64,846.41 and 11,210.15

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Solution

The fourth proportional to 43,231.25, 64,846.41 and 11,210.15 is: 16,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,231.25 : 64,846.41 = 11,210.15 : x
  2. Step 2: Convert to fraction form
    43,231.25/64,846.41 = 11,210.15/x
  3. Step 3: Cross multiply
    43,231.25x = 64,846.41 × 11,210.15
  4. Step 4: Simplify right side
    43,231.25x = 726,937,983.06
  5. Step 5: Solve for x
    x = 726,937,983.06/43,231.25
  6. Step 6: Final answer
    x = 16,815.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.